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21.
THERMODYNAMIC ANALYSIS OF OXIDE-CARBON AND CARBON MONOXIDE CHEMICAL REACTIONS IN ORDER TO SELECT ADDITIVES FOR CARBON NANOTUBE REINFORCED CORUNDUM CERAMICS
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(Not-set)
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The calculation of Gibbs energy for reactions of interaction of ZrO2, Al2O3, SiO2, TiO2, CaO and MnO with carbon and carbon monoxide in temperature range 1273 – 2273 К (1000 – 2000 ?С) is made to select ...
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22.
RESEARCH INFLUENCE OF THERMAL PLASMA ENERGY ON MORPHOLOGY AND PHASE COMPOSITION ALUMINUM SILICATE MICROSPHERES
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(Not-set)
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... powder based on the ash residue of a state district power station in a thermal plasma flow with different thermophysical characteristics of the carrier medium, three types of morphological features of ...
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23.
INFLUENCE OF CARBON NANOSUBSTRUCTURES ON THE PHYSICAL AND EXPLOITATION PROPERTIES IN STRUCTURAL CERAMICS IN THE Al2O3–ZrO2 SYSTEM
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(Not-set)
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The influence of the concentration of decorated carbon nanotubes and the influence of the concentration of eutectic additives, as well as the effect of the firing regime on the strength characteristics ...
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24.
Physico-Chemical Processes in Alkaline Glass at Anodic Bonding of Glass and Silicon
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(Not-set)
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The physicochemical processes occurring in the structure of alkaline glass and at the silicon - glass interface during the anodic connection of glass and silicon plates are considered. The connection of ...
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25.
Research of Microstructure of Ancient Issyk-Kul Ceramics by the Method of Raster Electron Microscopy
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(Not-set)
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Microstructural studies of ancient Issyk-Kul ceramics were carried out using a scanning electron microscope, which allows not only to see the mutual arrangement of mineral particles, pores and microcracks, ...
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26.
The Relationship of Phase and Element Chemical Compositions with the Longevity of the Barcelona Catholic Cathedral of the Holy Cross and St. Eulalia (Spain) More than 600 Years Old
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(Not-set)
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Elemental chemical composition showed an increased mass content of calcium (Ca = 5.9 & # 37;) in the samples, which contributes to the formation of anorthite, which increases the strength of products, ...
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27.
Research Black Core and Bloating During Firing of Porcelain
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(At the enterprises and institutes)
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One of the reasons for the relatively low quality of dense ceramic materials (porcelain stoneware, facade tiles and floor tiles) due to the appearance of a black core is the presence of unburned coal particles ...
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28.
Mechanochemical Oxidation of Aluminum. The Formation of the Porous Structure of Hydroxides and Oxides of Aluminum
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(At the enterprises and institutes)
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A comparison is made of the main characteristics of aluminum oxides and hydroxides obtained by mechanochemical oxidation of aluminum powder, both in the initial state and after their heat treatment in ...
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29.
Chemical, Phase Compositions and Structure of the Porosity of Bricks of the White Tower (Greece) is Older than 450 Years
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(At the enterprises and institutes)
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The increased carbon content (9.59 & # 37;) in the inclusions indicates the introduction of fuel into the raw material, which increases the porosity of the products and contributes to the uniform sintering ...
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30.
Research of hollow microspheres obtained from Kemerovo re-gion CHP plant ash and slag waste in thermal plasma stream
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(Utilization of waste)
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... physical and chemical studies (scanning electron microscopy, energy dispersive X-ray and infrared spectroscopy) of the raw material and the resulting microspheres on its basis are presented. A comparative ...
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31.
Calcium aluminates formation features in mechanochemical inter-action in Са(ОН)2-Аl-H2O system
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(At the enterprises and institutes)
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The features of the processes of mechanochemical interaction in the Ca (OH) 2 -Al-H 2 O system were investigated using the methods of X-ray phase, X-ray structural and synchronous thermal analysis. ...
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32.
Chemical composition change dynamics in XVIII ? XIX century russian glasses
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(At the enterprises and institutes)
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The study of the chemical and isotopic composition of glass fragments found on the territory of the former glass factory XVIII? XIX centuries. in Kazan. Are the finds divided into three main groups? by ...
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33.
Effect of nanosized petrochemical waste with high alumina content on clinker heat resistance
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(Science for ceramic production)
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Studies have shown that it is advisable to use high-alumina nanotechnological raw materials as a softener to increase the thermal stability of clinker bricks. With an increase in the compositions of the ...
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34.
Research and development of a device for quartz sand wetting control
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(Equipment and devices)
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A device for determining the wettability of quartz sand has been developed. It is shown that with an increase in temperature, the surface wettability of the minerals included in the composition of glassy ...
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35.
Calcium phosphate based biomaterials development. Research infoware
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(Biomaterials)
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The description of the information system containing reference information on the physicochemical, biological properties of orthophosphates, pyrophosphates and ultraphosphates of calcium is given. In addition ...
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36.
Physico-chemical and processing conditions of glass melt tinting
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(Science for glass production)
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The main conditions for the dissolution of dyes in glass melts are considered: chemical interaction, diffusion, distribution in the volume or in a certain layer. The features of continuous volumetric and ...
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37.
Diffusion-chemical interactions in the glass system K2О - РbО - SiO2
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(Science for glass production)
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The analysis of diffusion-chemical interactions in glasses of the K 2 O - PbO - SiO 2 system has been carried out. Interactions are considered from the kinetic point of view in relation to the structural ...
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38.
Thermochemical transformation of ilmenite-leucoxene concentrate
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(Raw materials)
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... properties of an n-type ceramic semiconductor. The microstructure, chemical and phase compositions are described, the mechanical and electrophysical characteristics of the obtained material are investigated. ...
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39.
Method for calculation of the technological and physicochemical properties of the container glass
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(Science for glass production)
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A method for calculating characteristic temperatures, performance indices and physical and chemical properties of container glasses, based on the use of calculated exposure factors, has been developed. ...
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40.
CERAMICS BASED ON POWDERS SYNTHESIZED FROM CALCIUM NITRATE AND SILICIC ACID PREPARED VIA ION EXCHANGE METHOD
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(Not-set)
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Ceramics in the CaO–SiO2 and Na2O–CaO–SiO2 systems were obtained from powders synthesized from aqueous solutions of silicic acid and calcium nitrate at a molar ratio of Ca/Si = 0.5 by direct precipitation ...
